/*!	 valuenode_anglestring.cpp
**	 Implementation of the "AngleString" valuenode conversion.
**
**	Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
**	Copyright (c) 2008 Chris Moore
**  Copyright (c) 2011 Carlos López
**
**	This package is free software; you can redistribute it and/or
**	modify it under the terms of the GNU General Public License as
**	published by the Free Software Foundation; either version 2 of
**	the License, or (at your option) any later version.
**
**	This package is distributed in the hope that it will be useful,
**	but WITHOUT ANY WARRANTY; without even the implied warranty of
**	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
**	General Public License for more details.
**
*/

#ifdef USING_PCH
#	include "pch.h"
#else
#ifdef HAVE_CONFIG_H
#	include <config.h>
#endif

#include "valuenode_anglestring.h"
#include "valuenode_const.h"
#include <synfig/canvas.h>
#include <synfig/general.h>
#include <synfig/localization.h>
#include <synfig/valuenode_registry.h>

#endif

using namespace std;
using namespace etl;
using namespace synfig;

REGISTER_VALUENODE(ValueNode_AngleString, RELEASE_VERSION_0_61_09, "anglestring", "Angle String")

ValueNode_AngleString::ValueNode_AngleString(const ValueBase &value):
    LinkableValueNode(value.get_type())
{
    Vocab ret(get_children_vocab());
    set_children_vocab(ret);

    if (value.get_type() == type_string) {
        set_link("angle", ValueNode_Const::create(Angle::deg(0)));
        set_link("width", ValueNode_Const::create(int(0)));
        set_link("precision", ValueNode_Const::create(int(3)));
        set_link("zero_pad", ValueNode_Const::create(bool(false)));
    } else {
        throw Exception::BadType(value.get_type().description.local_name);
    }
}

LinkableValueNode*
ValueNode_AngleString::create_new()const
{
    return new ValueNode_AngleString(get_type());
}

ValueNode_AngleString*
ValueNode_AngleString::create(const ValueBase &x)
{
    return new ValueNode_AngleString(x);
}

ValueNode_AngleString::~ValueNode_AngleString()
{
    unlink_all();
}

ValueBase
ValueNode_AngleString::operator()(Time t)const
{
    if (getenv("SYNFIG_DEBUG_VALUENODE_OPERATORS")) {
        printf("%s:%d operator()\n", __FILE__, __LINE__);
    }

    Real angle(Angle::deg((*angle_)(t).get(Angle())).get());
    int width((*width_)(t).get(int()));
    int precision((*precision_)(t).get(int()));
    int zero_pad((*zero_pad_)(t).get(bool()));

    if (precision < 0) {
        precision = 0;
    }

    if (get_type() == type_string)
        return strprintf(strprintf("%%%s%d.%df",
                                   zero_pad ? "0" : "",
                                   width,
                                   precision).c_str(), angle) + "°";

    assert(0);
    return ValueBase();
}

bool
ValueNode_AngleString::set_link_vfunc(int i, ValueNode::Handle value)
{
    assert(i >= 0 && i < link_count());

    switch (i) {
    case 0:
        CHECK_TYPE_AND_SET_VALUE(angle_, type_angle);

    case 1:
        CHECK_TYPE_AND_SET_VALUE(width_, type_integer);

    case 2:
        CHECK_TYPE_AND_SET_VALUE(precision_, type_integer);

    case 3:
        CHECK_TYPE_AND_SET_VALUE(zero_pad_, type_bool);
    }

    return false;
}

ValueNode::LooseHandle
ValueNode_AngleString::get_link_vfunc(int i)const
{
    assert(i >= 0 && i < link_count());

    switch (i) {
    case 0:
        return angle_;

    case 1:
        return width_;

    case 2:
        return precision_;

    case 3:
        return zero_pad_;
    }

    return 0;
}

bool
ValueNode_AngleString::check_type(Type &type)
{
    return
        type == type_string;
}

LinkableValueNode::Vocab
ValueNode_AngleString::get_children_vocab_vfunc()const
{
    LinkableValueNode::Vocab ret;

    ret.push_back(ParamDesc(ValueBase(), "angle")
                  .set_local_name(_("Angle"))
                  .set_description(_("Value to convert to string"))
                 );

    ret.push_back(ParamDesc(ValueBase(), "width")
                  .set_local_name(_("Width"))
                  .set_description(_("Width of the string"))
                 );

    ret.push_back(ParamDesc(ValueBase(), "precision")
                  .set_local_name(_("Precision"))
                  .set_description(_("Number of decimal places"))
                 );

    ret.push_back(ParamDesc(ValueBase(), "zero_pad")
                  .set_local_name(_("Zero Padded"))
                  .set_description(_("When checked, the string is left filled with zeros to match the width"))
                 );

    return ret;
}